Solar Panels in Kilmacrennan, Co. Donegal
Kilmacrennan is a small town in Co. Donegal with a population of around 888. Located 8.8 km from Letterkenny, the area receives 1,175+ sunshine hours per year. A 4kWp solar system generates approximately 3,268 kWh annually — saving an estimated €980+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
Kilmacrennan solar yield and performance data
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Population
Eircode Area
Dist. to Letterkenny
Location
Based on county-level solar data for Donegal. Actual output varies by roof orientation, shading, and system specification.
Kilmacrennan and Renewable Energy
Kilmacrennan is a small town in Co. Donegal with a population of 888 (CSO Census 2022). It is conveniently close to Letterkenny (8.8 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Kilmacrennan is F94 — you'll need your full Eircode when applying for the SEAI grant.
Why Go Solar in Kilmacrennan?
Save on Electricity Bills
Homeowners in Kilmacrennan can save an estimated €980+ per year on electricity with a 4kWp solar system generating 3,268 kWh annually.
SEAI Grant — Up to €1,800
Get up to €1,800 back from SEAI. The grant is available for homes built before 2021. No means testing — apply online at seai.ie.
0% VAT on Installation
Residential solar installations are zero-rated for VAT since May 2023, saving approximately €1,000 on a typical system.
Earn from Excess Energy
Sell surplus electricity at 15-25c/kWh through the Microgeneration Support Scheme. The first €400/year is tax-free.
Increase Property Value
Solar panels improve your BER rating and can add up to 4% to your property value.
25+ Year Lifespan
A system installed in Kilmacrennan today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Kilmacrennan Residents
Homeowners in Kilmacrennan, Co. Donegal can apply for the SEAI solar PV grant. The maximum grant of €1,800 is confirmed for 2026.
| System Size | Grant Amount | Typical Net Cost |
|---|---|---|
| 2 kWp | €1,400 | €2,000 - €3,000 |
| 3 kWp | €1,600 | €2,500 - €4,000 |
| 4 kWp+ | €1,800 (max) | €3,200 - €6,200 |
Solar Installers in Donegal
SEAI registered solar panel installers covering Donegal.
Nearby Towns Also Served
Also serving nearby areas in Donegal:
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Browse SEAI-registered installers covering Kilmacrennan and all of Donegal.
Frequently Asked Questions About Solar Panels in Kilmacrennan
How much do solar panels cost in Kilmacrennan?
A 4kWp system in Kilmacrennan typically costs €5,000-€8,000 before grants. After the €1,800 SEAI grant and 0% VAT, the net cost is €3,200-€6,200. The system generates approximately 3,268 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Kilmacrennan?
Based on Donegal county data, a 4kWp system in Kilmacrennan generates approximately 3,268 kWh per year — covering 78% of average household use (4,200 kWh/year). Donegal receives around 1,175 sunshine hours annually.
Are solar panels worth it in Kilmacrennan?
Yes. With estimated savings of €980+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Kilmacrennan pays for itself in 4-6 years and lasts 25+ years.
Can I get solar panels on an east or west facing roof in Kilmacrennan?
Yes. East or west-facing roofs still produce 80-85% of the output of a south-facing roof. Many installers recommend splitting panels across east and west to spread generation throughout the day, which can actually improve self-consumption.
What size solar system do I need for my home in Kilmacrennan?
Most homes in Kilmacrennan benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 78% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
Is my roof suitable for solar panels in Kilmacrennan?
Most roofs are suitable. You need at least 15-20 m² of unshaded roof space for a typical 4kWp system (10 panels). South, east, or west-facing roofs work well. Your installer will assess your roof's orientation, angle, and structural suitability during a site survey.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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